Reactive Yellow 84 is a red-yellow colored, homogeneous powder that is soluble in water. It is a type of reactive dye that is commonly used in the textile industry for dyeing various types of fabrics.

61951-85-7

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Basic information
1. Product Name: Reactive Yellow 84
2. Synonyms: C.I. Reactive Yellow 84;C.I. Reactive yellow 84 (9Cl);C.I. Reactive yellow 84(9Cl);Golden Yellow HE4R;Assofix Gold Yellow HER;Chemictive Yellow HE-4R;Intracron Golden Yellow HER;Kayacion Yellow E-S4R
3. CAS NO:61951-85-7
4. Molecular Formula: C57H38I2N14Na6O20S6
5. Molecular Weight: 1823.11
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Reactive Yellow 84(CAS DataBase Reference)
10. NIST Chemistry Reference: Reactive Yellow 84(61951-85-7)
11. EPA Substance Registry System: Reactive Yellow 84(61951-85-7)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 61951-85-7(Hazardous Substances Data)

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61951-85-7 Usage

Uses

Used in Textile Industry:
Reactive Yellow 84 is used as a dye for polyester/cotton blended fabric and high-temperature exhaust dyeing of polyester/cotton and polyester/rayon blended fabric in one bath. It provides good light fastness, oxygen bleaching resistance, perspiration fastness, and soaping fastness, with ratings ranging from 3 to 6 on the ISO scale. However, it has moderate to low ratings for stain and fading resistance, particularly in alkaline conditions.

Standard

Light Fastness

Fading

Stain

ISO

5-6

Check Digit Verification of cas no

The CAS Registry Mumber 61951-85-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,5 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 61951-85:
(7*6)+(6*1)+(5*9)+(4*5)+(3*1)+(2*8)+(1*5)=137
137 % 10 = 7
So 61951-85-7 is a valid CAS Registry Number.

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